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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Altamira (Iaa) Threshold Days by Year (BR048345380)

4 fixed thresholds counted per year at Altamira (Iaa) (BR048345380): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Altamira (Iaa) Thresholds

  • Altamira (Iaa): days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1974 with 95.
  • Altamira (Iaa): days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1974 with 38.
  • Altamira (Iaa): days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1974 with 9.
  • Altamira (Iaa): days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1983 with 3.
  • 4 fixed thresholds have at least one qualifying day at Altamira (Iaa).
26 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Altamira (Iaa) Days per year at Altamira (Iaa) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 95 in 1974. 02550751001953: 281954: 321955: 261956: 501957: 401958: 391959: 311960: 311961: 231962: 221963: 311964: 631965: 251967: 381968: 561969: 561970: 631971: 551972: 641973: 611974: 951975: 751980: 451981: 511982: 501983: 34195319561959196219651969197219751982
Days per year at Altamira (Iaa) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 95 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Altamira (Iaa)
YearDaysDecade average
19532835.1
19543235.1
19552635.1
19565035.1
19574035.1
19583935.1
19593135.1
19603138.3
19612338.3
19622238.3
19633138.3
19646338.3
19652538.3
19673838.3
19685638.3
19695638.3
19706368.8
19715568.8
19726468.8
19736168.8
19749568.8
19757568.8
19804545
19815145
19825045
19833445
First to last qualifying date each year at Altamira (Iaa) For each year, a bar from the first to the last day at Altamira (Iaa) meeting 10 mm (0.39 in). 1953: 11 February 1953 to 16 December 19531954: 26 January 1954 to 22 December 19541955: 19 January 1955 to 23 November 19551956: 25 January 1956 to 1 December 19561957: 4 March 1957 to 12 October 19571958: 4 January 1958 to 31 December 19581959: 10 February 1959 to 1 December 19591960: 2 January 1960 to 20 December 19601961: 17 January 1961 to 29 December 19611962: 5 February 1962 to 13 November 19621963: 15 February 1963 to 23 December 19631964: 15 January 1964 to 11 December 19641965: 17 January 1965 to 22 November 19651967: 16 February 1967 to 28 December 19671968: 23 January 1968 to 15 December 19681969: 20 January 1969 to 27 December 19691970: 1 January 1970 to 10 December 19701971: 25 March 1971 to 10 November 19711972: 19 January 1972 to 29 December 19721973: 16 February 1973 to 1 December 19731974: 15 January 1974 to 31 December 19741975: 16 January 1975 to 31 December 19751980: 4 January 1980 to 12 December 19801981: 18 January 1981 to 30 December 19811982: 7 January 1982 to 29 October 19821983: 5 February 1983 to 4 December 19831953195719611965197019741982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Altamira (Iaa) meeting 10 mm (0.39 in).
First to last qualifying date each year at Altamira (Iaa)
YearFirst dateLast date
19531953-02-111953-12-16
19541954-01-261954-12-22
19551955-01-191955-11-23
19561956-01-251956-12-01
19571957-03-041957-10-12
19581958-01-041958-12-31
19591959-02-101959-12-01
19601960-01-021960-12-20
19611961-01-171961-12-29
19621962-02-051962-11-13
19631963-02-151963-12-23
19641964-01-151964-12-11
19651965-01-171965-11-22
19671967-02-161967-12-28
19681968-01-231968-12-15
19691969-01-201969-12-27
19701970-01-011970-12-10
19711971-03-251971-11-10
19721972-01-191972-12-29
19731973-02-161973-12-01
19741974-01-151974-12-31
19751975-01-161975-12-31
19801980-01-041980-12-12
19811981-01-181981-12-30
19821982-01-071982-10-29
19831983-02-051983-12-04

Every Fixed Threshold

Fixed thresholds at Altamira (Iaa)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2695197434
25 mm (0.98 in): Days with 25 mm or more rain2638197422
50 mm (1.97 in): Days with 50 mm or more rain21919748
100 mm (3.94 in): Days with 100 mm or more rain3319833

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

Download the Data

  • Data for Altamira (Iaa) threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).